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7 Cards in this Set
- Front
- Back
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oviparity |
lay eggs inside a protective pouch |
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ovoviparity |
eggs retained in female's body, no placenta |
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viviparity |
eggs develop in uterus, placental nourishment occurs |
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swim baldder |
gas-filled structure helping in buoyancy |
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operculum |
covers the gills, a protective flap in bony fishes |
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buccal pumping |
air intake through nostrils & closing and opening the floor of the mouth
amphibian |
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kinetic skull |
the joints between various points of the skull are highly mobile |
